Reviewers

Hand over an optimization or debugging puzzle with a grain of concurrency concerns and I'm a happy camper. Sometimes, I can't help but feel like Sherlock Holmes. Hundreds of small seemingly unimportant bits of information that others haven't considered or might have missed circulate in my mind and, all of a sudden, a pattern emerges that leads to an answer. Not that I could ever compete with the genius of Sherlock, but I do think that years of practice have worked in my favor and have optimized my pattern recognition skills to an extent that would have made him tip his hat in acknowledgment.

Availability Status

Limited (due to other professional commitments)
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Usually works with
aarch64 assembly c++ c concurrency cross-platform debugging distributed-systems java linux optimization posix sql unix win32 windows x86_64

Prefers not to work with
user-interface

Major Software Engineering Projects Since 1997 (24 Years)
1997-2004 Design, implementation, and operation of a content management system

  • Templating engine based on Perl
  • Integration of J2EE applications using CORBA
c corba java linux-kernel linux maxdb mysql perl tomcat
1999-2004 Design, implementation and operation of a development platform for CGI and J2EE web applications
  • Acquired by Javalobby in 2004
  • Supported 110,000 users
  • Data center migrations: Basel, Switzerland to Vienna, Austria
  • Platform migrations: Alpha Linux to Tru64 UNIX to i686 Linux
  • Third-party closed and open source problem analysis and contributions
  • Open source software optimizations to handle load
  • Custom Linux kernel container implementation for web application isolation
alpha assembly c++ c c i686 java linux-kernel linux mysql perl resin tomcat tru64-unix unix
2004, 2006 Porting of a distributed enterprise content management system to Linux

  • Porting of the codebase from Windows to Linux
  • Debugging of platform/compiler-specific issues
  • Optimization to ensure similar performance and resource usage
apache assembly c# c++ c cross-platform java kerberos linux mono win32 windows x86 x86_64
2005 Design and implementation of transactional information retrieval system

  • Indexing service based on b+trees and inverted indexes
  • Transaction engine based on ARIES transaction recovery
  • Configuration service and distributed service deployment
  • API for external access checks
  • Mono problem analysis and numerous contributions
c# c++ c c cross-platform kerberos linux mono win32 windows
2006- Development of core services of a distributed enterprise content management system

  • Object-relational mapping data store with multi-RDBMS support
  • File data store with file replication and de-duplication
  • Distributed transactions across data stores
  • API for transactional object access
  • End-to-end encryption with automatic key replication and renewal
  • Third-party closed and open source problem analysis and contributions
apache arm assembly c++ c cross-platform cryptography db2 distributed-systems distributed-transactions docker i686 iis ingres java kerberos ldap linux-kernel linux multicast oracle pkcs#11 postgresql python selinux sql-server sql win32 windows x86_64

Resources

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